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Finding the Fourth Proportional to 190,033.68, 284,955.12 and 63,630.48

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Solution

The fourth proportional to 190,033.68, 284,955.12 and 63,630.48 is: 95,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.68 : 284,955.12 = 63,630.48 : x
  2. Step 2: Convert to fraction form
    190,033.68/284,955.12 = 63,630.48/x
  3. Step 3: Cross multiply
    190,033.68x = 284,955.12 × 63,630.48
  4. Step 4: Simplify right side
    190,033.68x = 18,131,831,064.06
  5. Step 5: Solve for x
    x = 18,131,831,064.06/190,033.68
  6. Step 6: Final answer
    x = 95,413.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.